The Original WeedShark MightyMax with Poly Blades is the perfect tool for cutting weeds, bushes, and grass. It is a multi-purpose trimmer head that is great for edging, farming, and for cutting medium materials and it is proven to fit 97% of straight shaft trimmer machines that use gas. Offers dual cutting action and cuts two times faster so it saves time and ensures efficiency. The Original WeedShark MightyMax with Poly Blades is designed with high durability and versatility to replace the OEM string head of your machine. Its 4-in-1 adapter heads come with replaceable cutting teeth and a trimmer line for traditional weed trimmers that are powered by gas. Highly suggested to be used for light grass cutting, light raking, and dry brush areas. This heavy-duty trimmer head is built for machines with 21cc+, making it easier and more convenient for farmers, homeowners, and gardeners to get the job done. It may also be used for soil cultivation and light tilling. Packaged with poly blades Chomper .095 Sharkline Trimmer Line.